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# Metric Conversions Ladder Method - PowerPoint PPT Presentation

Metric Conversions Ladder Method. T. Trimpe 2008 http://sciencespot.net/. So How Do I Do A Metric Conversion?. We will be using a method called The Stair-step Method of Metric Conversion.

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T. Trimpe 2008 http://sciencespot.net/

We will be using a method called The Stair-step Method of Metric Conversion.

It requires two things; one, that you be able to count to 6, and two, that you know your left from your right.

King Henry Died ByDrinking Chocolate Milk

Kilo-

km Hecto-

kg hmDeka-

kl hg dkmBase Unit

hldkgdeci-dkl dm centi- dg cm milli-

dl cg mm

cl mg

ml

meters

grams

Liters

1. The metric system step chart uses the following steps:

2. Find the unit you have.

3. Move to the unit you want.

4. Count the number of steps and move the decimal point the same number of places in the same direction.

2

3

MetersLitersGrams

How do you use the “ladder” method?

1st – Determine your starting point.

2nd – Count the “jumps” to your ending point.

3rd – Move the decimal the same number of jumps in the same direction.

Starting Point

Ending Point

__.

__.

__.

2

3

1

KILO1000Units

HECTO100Units

DEKA10Units

DECI0.1Unit

CENTI0.01Unit

MILLI0.001Unit

4 km = _________ m

How many jumps does it take?

4.

= 4000 m

56 cm 6 m 7 g 698 mg

Conversion Practice

Try these conversions using the ladder method.

1000 mg = _______ g 1 L = _______ mL 160 cm = _______ mm

14 km = _______ m 109 g = _______ kg 250 m = _______ km

Write the correct abbreviation for each metric unit.

1) Kilogram _____ 4) Milliliter _____ 7) Kilometer _____

2) Meter _____ 5) Millimeter _____ 8) Centimeter _____

3) Gram _____ 6) Liter _____ 9) Milligram _____

Try these conversions, using the ladder method.

10) 2000 mg = _______ g 15) 5 L = _______ mL 20) 16 cm = _______ mm

11) 104 km = _______ m 16) 198 g = _______ kg 21) 2500 m = _______ km

12) 480 cm = _____ m 17) 75 mL = _____ L 22) 65 g = _____ mg

13) 5.6 kg = _____ g 18) 50 cm = _____ m 23) 6.3 cm = _____ mm

14) 8 mm = _____ cm 19) 5.6 m = _____ cm 24) 120 mg = _____ g

25) 63 cm 6 m 27) 5 g 508 mg 29) 1,500 mL 1.5 L

26) 536 cm 53.6 dm 28) 43 mg 5 g 30) 3.6 m 36 cm